package cn;

import java.lang.annotation.ElementType;
import java.lang.annotation.*;;

//在方法之前输出before,在方法执行后输出after对应的值
//要用到元注解：注解注解的注解
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface MyAno {
	public String before();

	public String after() default "after";
}
